TNB study: Higher danger in standing by microwave


  • Nation
  • Friday, 28 Jul 2006

KUALA LUMPUR: Tenaga Nasional Bhd research has shown that it is 16 times more dangerous to stand next to a microwave oven than directly under a 275kv transmission line. 

Universiti Tenaga Nasional (Uniten) senior lecturer Halil Hussain said the strength of the electro-magnetic field (EMF) directly under a transmission tower was negligible compared with the level of EMF emissions from a microwave oven.  

Magnetic fields are created by electricity flowing through a wire, the higher the current the higher the magnetic field. 

In a guide prepared by Tenaga, he said that the EMF from a television set was about three times higher than that beneath a tower.  

After a media tour of transmission towers, Halil said EMFs were present everywhere. He added that electric fields are stronger when closer to the source.  

“For example, anyone who stands next to a microwave oven is likely to be affected more by EMF than if directly under a transmission tower,” he said. 

However, he added, Tenaga prohibited development directly beneath transmission lines to ensure safety.  

On the Central Area Reinforcement project, Tenaga senior manager (risk management) Khairul Omar Baharin said RM400mil would be spent to improve the transmission of high voltage electricity from Bukit Tarek to Chubadak, east of the city. 

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